The First Digital Duplicator with 600 DPI Imaging
The next generation is here! RISO, the world leader in the development of digital duplicating technology, presents the GR3770, the first 600 dpi digital duplicator. The GR3770 offers improved print resolution plus added screening and contrast controls, greatly enhancing the output of photographic images and fine lines.

The GR3770 gives users the ability to print the widest range of applications quickly, easily, and inexpensively. Combined with the vast array of Printer-Duplicator accessories and options, the GR3770 Printer-Duplicator printing system provides the ultimate solution for printing and desktop publishing.

We are very pleased to report that the GR3770 has received the anticipated "Recommended" report from BLI. The general appraisal was very favorable and RISO is excited to share with you this information.

GR3770 Features
Processing Risography (digital printing)
Time to first copy Letter: approx. 22 seconds; Ledger: approx. 29 seconds
Printing Speed 5 selectable Speeds (60, 80, 100, 110, 120 sheets per min.)
Scanning Resolution 600 x 600 dpi
Original Type For Stage glass:
Max: Ledger 11" x 17"; min: Business card 21/8"x 31/2"
In the optional ADF Unit:
Max: ledger 11" x 17"; min: 4" x 6"
Paper Size Max: 11"x17"; Min: 4" x 6"
Original Weight For stage glass: 22 lbs. or less
In the optional ADF Unit: Max: 28 lb. bond; min: 15 lb. bond
Paper Weight Max: 110 lb. index; Min 14 lb. bond
Image Area 10.7" x 16.5"
Paper Capacity 1000 sheets in feed and receiving tray (based on 20 lb. bond paper)
Optional ADF Capacity 50 originals with programmable copy count and grouping
Machine Weight Approx. 258 lbs. With optional ADF unit installed: Approx. 264 lbs.
Dimensions
(w x d x h)		 In use: 51" x 26" x 25.8"; In storage: 28.7" x 26" x 25.8"
With optional ADF unit installed: In use: 51" x 26" x 32.8";
In storage: 29.3" x 26" x 28.2"
Power Source 120 VAC, 60Hz <5.0A>
Reduction Parameters 4 selectable: 94%, 77%, 75%, 66%
Enlargement Parameters 3 selectable: 121%, 127%, 141%
Zooming Parameters 50% to 200% in 1% increments